Supplied By www.heating spares.co Tel. 0161 620 6677
18
Part No. 5000893
6.1 Piezo Unit
It will NOT be necessary to remove the outer
case.
a. Slide out the bottom cover.
b. Disengage the electrode lead from the
piezo unit.
c. Remove or loosen and pull aside the
spark button retainer, taking care not to
lose the shakeproof washer.
d. Pull off the button and unscrew (anti-
clockwise) the piezo from its housing.
Note:
When refitting the bottom cover,
ensure the temperature selector spindle (if
fitted) is aligned with the selector. Push the
bottom cover and with slight adjustment, the
selector will positively locate on the spindle.
6.2 General Access/Main Burner
a. Turn OFF the gas and water supplies at
the service cocks.
b. Slide out the bottom cover.
c. Remove the 3 fixing screws and pull off
the outer case.
d. Remove 4 fixing screws from the burner
assembly (2 each side).
e. Remove 2 screws securing the front to
the heating unit.
f.
Pull the burner assembly slightly
forwards to clear the injectors, then pull
apart and withdraw taking care not to
snag the pilot assembly.
Note:
If required, the burner assembly can
be dismantled and the burner bars replaced
individually. On re-assembly ensure that the
burner inlets locate in the 14 holes.
Note:
On re-assembly of the burner
assembly take care not to snag the pilot
assembly. Ensure the front face of the
assembly has located on the two studs on
the heating unit. Re-fit the bottom cover as
outlined in Section 6.1.
Fig. 24
Fig. 25
Fig. 26
Replacement Of Parts